Finding the Fourth Proportional to 317,983.10, 438,823.62 and 174,745.54
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Solution
The fourth proportional to 317,983.10, 438,823.62 and 174,745.54 is: 241,152.66
Step by Step Solution
- Step 1: Write the proportion equation
317,983.10 : 438,823.62 = 174,745.54 : x - Step 2: Convert to fraction form
317,983.10/438,823.62 = 174,745.54/x - Step 3: Cross multiply
317,983.10x = 438,823.62 × 174,745.54 - Step 4: Simplify right side
317,983.10x = 76,682,470,441.65 - Step 5: Solve for x
x = 76,682,470,441.65/317,983.10 - Step 6: Final answer
x = 241,152.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.